diamond

Pronunciation

• enPR: dī'əmənd, IPA ^(key): /ˈdaɪ(ə)mənd/
• SAMPA: /"daI(@)m@nd/

• Audio (US)

  (file)

Noun

Singular diamond

Plural diamonds

A diamond gem

The four playing card suits with the diamonds on the bottom left

1. (uncountable) Diamond is a very hard mineral made from carbon that is shiny like glass.

   The blades of cutting tools like saws and knives are sometimes coated in diamond.

2. (countable) A diamond is a precious gemstone made from the mineral diamond.

   The diamond is the birthstone of April.

3. (countable), (geometry) In geometry, a diamond is a rhombus shape, especially one that is taller than it is wide; ◊.
   • Synonyms: rhombus and lozenge
4. (plural) In card games, the diamonds are one of the four playing card suits.

   The diamonds and the hearts are the two red-colored suits.

5. (countable) In cards games, a diamond is a card of the diamond suit.

   I have three diamonds in my hand.

Suits
hearts ♥	diamonds ♦	spades ♠	clubs ♣